WAARDENBURG, P J Some particulars in achromatopsia. [electronic resource] - Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift fur Augenheilkunde Feb 1948 - 114 p. digital Publication Type: Journal Article ISSN: 0030-3755 Subjects--Topical Terms: Color Vision DefectsHumans